using System;
using System.Threading;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace MyFirstProgram
{
    class Program
    {

        static void Main(string[] args)
        {

            Console.WriteLine(convertion(2, 2));

        }



        public static int convertion(int a, int b)
        {
            if(a == b)
            {
                a = a * -1;
            }

            return a;